A:Not receiving
B:Not to receive
C:Not having received
D:not received.
看图写出乘法算式和乘法口诀。
____×____=____;
____×____=____;
口诀:____。
①是社会保障的重要组成部分
②发挥了商业保险的经济补偿功能
③是政府规范市场经济秩序的重要方式
④促进食品企业提高产品质量,诚信经营
—It's Peter's.